Utilization of Woody Plants by Beavers in Northeastern Ohio
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Citation:The Ohio Journal of Science. v70 n2 (March, 1970), 123-127
Relative abundance of woody plants and their utilization by beavers (Castor canadensis) were measured on watersheds in Ashtabula and Columbiana Counties, Ohio, in 1966-67. A food index showed aspen (Populus sp.), alder (Alnus sp.), hop-hornbeam (Ostrya virginiana), black cherry (Prunus serotina), willow (Salix sp.), dogwood (Cornus sp.) and oak (Quercus sp.) to be major foods; 20 different woody species were utilized. The amount of use of a single species seemed to depend largely on the relative availability of all food species. All topographic features may influence site occupancy by beavers, but in this study, fluctuating water level was the factor most detrimental to sustained habitation.
Author Institution: Imperial National Wildlife Refuge, Yuma, Arizona, and Ohio Cooperative Wildlife Research Unit, Ohio State University, Columbus, Ohio
Rights:Reproduction of articles for non-commercial educational or research use granted without request if credit to The Ohio State University and The Ohio Academy of Science is given.
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